Symbols of fertility?
D015415:Biomarkers; D001903:Bottle Feeding; D001942:Breast Feeding; D005260:Female; D005298:Fertility / Q000502:physiology*; D006801:Humans; D007247:Infertility, Female / Q000517:prevention & control; D012955:Societies, Medical; D014481:United States; D014944:World Health Organization
D015415:Biomarkers